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Officials identified the shooter involved in a hostage situation at a Hialeah apartment complex as 42-year-old Pedro Vargas at a press conference Saturday, but were still trying to determine a motive. NBC 6's Willard Shepard has the story. (Published Saturday, Jul 27, 2013)

Updated at 8:26 AM EDT on Sunday, Jul 28, 2013

Officials identified the shooter involved in a hostage situation at a Hialeah apartment complex as 42-year-old Pedro Vargas at a press conference Saturday.

SWAT officers shot and killed Vargas after he killed six people in an apartment building in Hialeah, just a few miles north of Miami, ending an hours-long standoff early Saturday, Hialeah Police said.

Police Identify Shooter, Victims in Deadly Hialeah Rampage

Officials said 42-year-old Pedro Vargas shot and killed six before being killed by officers at a Hialeah apartment complex. NBC 6's Claudia DoCampo speaks with those who knew the victims. (Published Saturday, Jul 27, 2013)

“This is one of the worst shootings we’ve probably had ever in Hialeah," police spokesman Carl Zogby said.

Fire rescue crews were first called to the scene at about 6:30 p.m. after Vargas lit apartment 408 where he lived at 1485 West 46th Street on fire with some sort of combustible liquid, Zogby said Saturday.

Officials confirmed Vargas started the fire by burning $10,000 cash and his mother was in the apartment complex at the time of the fire. The mother was able to get out to safety, but it is not clear how, according to authorities.

Building managers Italo Pisciotti and Camira Pisciotti ran towards the apartment when they noticed smoke was coming out of it and Vargas came out the door, shooting and killing both of them at the scene, Zogby said.

Vargas (pictured right) then ran back into the burning apartment, walked out onto his balcony and fired 10 to 20 shots into the street, killing Gavilanes who was at the apartment building across the street, according to Zogby. He said Gavilanes, a father, had just arrived home from work and was standing in the parking lot next to his car when he was killed.

Vargas then ran out of the apartment building, firing shots at random in an irrational fashion, Zogby said. Police officers had already arrived on scene and fired at him as he fired back in the hallway.

He then entered another apartment where he took two hostages at gunpoint, Zogby said. Negotiators were talking with Vargas, and police sent a robot into the scene, authorities said.

But after police discovered that six people were dead, and that the man had two hostages in an apartment, the SWAT unit decided there was no more time to negotiate, Zogby said.

About eight hours after the situation began, a SWAT team entered the apartment, killing Vargas and saving the two hostages.

"The end result: seven people have lost their lives in this incident, six innocent victims and the one shooter," Zogby said. "Now starts the investigation, how and why this happened.”

Zogby said the hostages, identified as Zoeb Nek and Sarrida Nek, were not hurt, and he did not believe that any officers were injured. He said Vargas still had several rounds of live ammunition left when police intervened. Officials said he used a 9mm pistol during the rampage.

"Had we not cornered him and then entered and engaged him, this could have been a much greater tragedy," Zogby said.

Shamira Pisciotti said she found her parents, Italo and Samira Pisciotti, after hearing the shots. She ran over to them and found her mother dead and her father clinging to life.

"I guess there was an altercation and the person opened fire on both of them. My mom was dead the moment that she was shot and my dad still had a pulse when I got to him," Shamira Pisciotti said.

He died soon after, she said.

Merly Niebles and husband Patricio Simono, along with Niebles' daughter, were found in one of the apartments, Hialeah police spokesman Sgt. Eddie Rodriguez told
NBC News.

Agustin Hernandez and Alberto Martinez confirmed Niebles' daughter's name was Priscilla Perez (pictured below). Hernandez and Martinez, who are married to Niebles' sisters, said Patricio was a handyman at the apartment complex and worked with the building managers.

American Christian School principal Sergio Chavarri said Perez was a student at his school and would have gone into 11th grade this year. Perez, who wanted to be a nurse, never missed one day of class in the four years that she attended the school which takes pre-K through high school students, he said.

"She was a very nice person," Chavarri said. "We can't believe that such a nice person should be, you know, something like that."

Shamira Pisciotti said she believed that there was a complaint about the shooter and that he confronted her parents about it, and that he then shot them.

She said she heard about 15 to 20 gunshots. Several other witnesses said they heard between 10 and 12 shots.